Home / 8,372.97-11,549.39-5,141.37

Finding the Fourth Proportional to 8,372.97, 11,549.39 and 5,141.37

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Solution

The fourth proportional to 8,372.97, 11,549.39 and 5,141.37 is: 7,091.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.97 : 11,549.39 = 5,141.37 : x
  2. Step 2: Convert to fraction form
    8,372.97/11,549.39 = 5,141.37/x
  3. Step 3: Cross multiply
    8,372.97x = 11,549.39 × 5,141.37
  4. Step 4: Simplify right side
    8,372.97x = 59,379,704.87
  5. Step 5: Solve for x
    x = 59,379,704.87/8,372.97
  6. Step 6: Final answer
    x = 7,091.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.